By definition rhombus is a quadrilateral whose all four sides are of equal length.GmatKiss wrote:Is quadrilateral ABCD a rhombus?
(1) Line segments AC and BD are perpendicular bisectors of each other.
(2) AB = BC = CD = AD
Statement 1: As the diagonals of ABCD are perpendicular bisectors of each other all the four sides of the quadrilateral are of equal length.
Sufficient
Statement 2: All the four sides of ABCD are of equal length.
Sufficient
The correct answer is D.

















